Forms of Energy

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Across
  1. 4. Light travels in a (Blank) line
  2. 7. Stored energy waiting to be released
  3. 8. Light that can be bent when light passes from the air into water
  4. 10. Low pitched sounds are caused by
  5. 11. Our main source of energy and there are four types
  6. 13. Another word for heat
Down
  1. 1. To take in or soak
  2. 2. High pitched sounds are caused by
  3. 3. Produced by vibrations
  4. 5. When two things rub together
  5. 6. Motion
  6. 9. Having to do with reflection, absorbing, and refraction
  7. 12. Light that bounces off